BlackRock Core Bond Trust authorizes a Buyback Plan.

BlackRock Core Bond Trust (the Trust) is a diversified, closed-end management investment company. The Trust's investment objective is to provide current income and capital appreciation. The Trust seeks to achieve its investment objective by investing at least 75% of its managed assets in bonds that are investment grade quality at the time of investment. The Trust intends to invest its assets primarily in a diversified portfolio of investment grade bonds, which may include, but are not limited to, corporate bonds, United States (U.S.) government and agency securities and mortgage-related securities. The Trust may invest up to 25% of its total managed assets in bonds that, at the time of investment, are rated Ba/BB or below by Moody’s Investors Service, Inc., S&P Global Ratings, Fitch Ratings or another nationally recognized rating agency or bonds that are unrated but judged to be of comparable quality by the investment adviser. The Trust's investment advisor is BlackRock Advisors, LLC.